Patents Represented by Attorney Sidney Persley
  • Patent number: 6444021
    Abstract: A water washable lithographic newspaper ink comprising: a modified soybean oil based resin; pigment; an acid neutralizing agent; and a humectant. In addition, the ink according to the present invention may also comprise water, and a rewetting agent, preferably hydroxyethyl ethylene urea.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: September 3, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Carl S. Weisbecker, John H. Krech, Richard R. Durand, Jr., Michelle J. Webb, Robert M. Warren
  • Patent number: 6444022
    Abstract: A water based offset lithographic ink comprising water; a modified rosin polymer comprised of resins soluble in water regardless of the pH of the water, resin rosin salts soluble in water at pH ranging from 7.5 to 10 and aqueous emulsion resins; a modified linseed oil; and pigment.
    Type: Grant
    Filed: May 20, 2000
    Date of Patent: September 3, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Ramasamy Krishnan, Martin Thomas Czebotar, Hugo Babij
  • Patent number: 6402829
    Abstract: An improved process for producing a substantially pure gamma phase a quinacridone pigment or pigment derivative involving preparing an aqueous slurry of a crude quinacridone in the presence of caustic alkali and a non-polar, water immiscible solvent; and heating said slurry at a temperature above about 120° C.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: June 11, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Edward H. Sung, George H. Robertson, Humberto Velasquez
  • Patent number: 6388093
    Abstract: A synthesis for preparing asymmetrical 1,4-diketopyrrolo[3,4-c]pyrroles involving: (a) reacting a &bgr;-ketoamide with a strong base; (b) halogenating the same or a different &bgr;-ketoamide; (c) reacting the reaction products of step (a) and (b) to form a succinamide; and (d) heating the succinamide in the presence of a Lewis Acid. Symmetrical 1,4-diketopyrrolo [3,4-c]pyrroles are synthesized by oxidatively dimerizing the reaction product of step (b) to form a succinamide; and heating the succinamide in the presence of a Lewis Acid.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: May 14, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Terrence R. Chamberlain, Craig Thornley
  • Patent number: 6379450
    Abstract: A process for the preparation of &bgr; phase copper phthalocyanine pigment which includes dry grinding crude copper phthalocyanine in the absence of a grinding aid to obtain a crude mill; and conditioning the crude mill in about 5 to 50 wt. % based on the weight of the crude mill of a conditioning solvent.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: April 30, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Michael J. Willis, Paul A. Merchak, Russell J. Schwartz, Karii L. MacCune
  • Patent number: 6372910
    Abstract: A process for preparing 1,8-naphthalimide by reacting 1,8-naphthalic anhydride with ammonia in an aqueous solution under atmospheric pressure at 60 to 100° C.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: April 16, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Terrence R. Chamberlain, Donald T. DeRussy
  • Patent number: 6303676
    Abstract: A method for the production of an improved water soluble resin binder for laminating printing inks has been discovered. The method comprises esterifying the carboxylated Diels Alder adduct produced from the reaction of rosin and at least one carboxylated dienophile with a sufficient amount of at least one polyol to produce a modified rosin having an acid number greater than 157. The modified rosin is reacted with a sufficient amount of an acrylic copolymer having an acid number greater than 180 under esterification conditions between 175 ° C. and 185 ° C. for a time sufficient to produce a resin binder having an acid number greater than 157. A laminating ink formulation of the invention comprises water, pigment, styrene-acrylic varnish, shellac varnish, alkanol and the improved water soluble resin binder of the invention as described above.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: October 16, 2001
    Assignee: Sun Chemical Corporation
    Inventors: Robert J. Catena, Mathew C. Mathew, Albert A. Kveglis
  • Patent number: 6294013
    Abstract: An aqueous pigment dispersion containing at least one FD&C and/or D&C pigment dispersed in water and a polysaccharide resin optionally in combination with a styrene-acrylic resin and ethylenediaminetetraacetic acid. The dispersion offers excellent viscosity and settling stability to pH-sensitive FD&C and D&C pigments together with good color value.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: September 25, 2001
    Assignee: Sun Chemical Corporation
    Inventors: D. Mark Ortlano, Lori Lewis, Christopher J. Vissing, Joseph P. LaBazzo, Sr.
  • Patent number: 6284816
    Abstract: Solvent-free, energy curable flexographic printing inks which contain a pigment; a rheological additive having the structure P-(U-Y)s, wherein P is the residue of an organic pigment or dye, Y is a polyalkylene oxide moiety, U is a linking moiety covalently bonding Y to P and s is an integer from 1 to 3; and an energy curable liquid vehicle which may be a ultraviolet cationic or a free radical initiated polymerization system, cured by actinic radiation; and optionally containing a photoinitiating system.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: September 4, 2001
    Assignee: Sun Chemical Corporation
    Inventors: Mikhail Laksin, Subhankar Chatterjee, Russell J. Schwartz, Paul A. Merchak
  • Patent number: 6232361
    Abstract: An actinic radiation curable, cationic polymerizable, ink and coating composition having greatly enhanced reactivity, and reduced viscosity and are low in odor comprised of an aqueous solution containing a cationic polymerizable compound such as an cycloaliphatic epoxy compound, a water compatible hydroxy functional cyclic ether compound, particularly, an epoxy or oxetane compound, and water.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: May 15, 2001
    Assignee: Sun Chemical Corporation
    Inventors: Mikhail Laksin, Jean Dominique Turgis, Bruce Rose, Subhankar Chatterjeee
  • Patent number: 6200372
    Abstract: A single fluid water-based offset lithographic news ink comprising water; a macromolecular resin binder comprised of a resin soluble in water regardless of the pH of the water, a rosin salt resin soluble in water at pH ranging from 7.5 to 10 and an aqueous emulsion polymer; pigment; a water dispersible soy bean based polymer; and a hydroxyethylehtylene urea re-wetting agent.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: March 13, 2001
    Assignee: Sun Chemical Corporation
    Inventors: Ramasamy Krishnan, Neil Young, Keqi Gan, Marilyn Yamat, Hugo Babij, Martin Thomas Czebotar
  • Patent number: 6187085
    Abstract: A printing ink composition is described which includes carbon black and an alkali metal hydroxide in combination with an alkenyl succinimide for the dispersion of the carbon black. Also disclosed is a method of preparing a carbon black printing ink composition which comprises dispersing the carbon black in a mineral oil in the presence of an alkali metal hydroxide and an alkenyl succinimide.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: February 13, 2001
    Assignee: Sun Chemical Corporation
    Inventor: Olgierd Wasilewski
  • Patent number: 6127436
    Abstract: An organic oligomer binder produced by depolymerizing virgin, scrap, recycled or reclaimed polyethylene terephthalate via an alcoholysis reaction with branched glycols and esterifiing the resulting polyol oligomer with polybasic carboxylic acids and/or anhydrides.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: October 3, 2000
    Assignee: Sun Chemical Corporation
    Inventors: Subhankar Chatterjee, Albert A. Kveglis, Neil Young, Robert Kern, Thomas F. O'Malley, Bhalendra J. Patel
  • Patent number: 5985984
    Abstract: A composition comprising a condensation resin of the formula:R.sup.1 -A-Z[-A-Z'-].sub.n -R.sup.2wherein each A has the structure: ##STR1## and Y is a phenyl group or a methyl group; X is an alkylene group or an arylene group; R.sup.1 and R.sup.2 are each individually a C.sub.4 -C.sub.13 alkyl group, C.sub.4 -C.sub.12 alkyl group substituted with 1 or more hydroxy groups, or a combination thereof; n is 0, 1, or 2 provided that, when n is 0, then Z is a covalent bond, and when n is 1 or 2, then Z is a C.sub.4 -C.sub.13 alkylene group which is unsubstituted or substituted with 1 or more hydroxy groups; and Z' is the same as Z, a covalent bond or a derivative of the condensation resin. Along with an ink formulation comprising. The composition and method for preparing the above condensation resin having an increased softening temperature.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: November 16, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Subhankar Chatterjee, Joseph M. Laquidara, Albert A. Kveglis, Bhalendra J. Patel
  • Patent number: 5972088
    Abstract: A single fluid water-based gravure printing ink comprising water; a macromolecular resin binder comprised of resins soluble in water regardless of the pH of the water; resins water soluble at water pH value ranging from 7.5 to 10; and aqueous emulsion resins; pigment; and a hydroxyethyl ethylene urea re-wetting agent.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: October 26, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Ramasamy Krishnan, Marilyn C. Yamat, Sabino Apostol
  • Patent number: 5965647
    Abstract: A method for the production of an improved water soluble resin binder for laminating printing inks has been discovered. The method comprises esterifying the carboxylated Diels Alder adduct produced from the reaction of rosin and at least one carboxylated dienophile with a sufficient amount of at least one polyol to produce-a modified rosin having an acid number greater than 157. The modified rosin is reacted with a sufficient amount of an acrylic copolymer having an acid number greater than 180 under esterification conditions between 175.degree. C. and 185.degree. C. for a time sufficient to produce a resin binder having an acid number greater than 157. A laminating ink formulation of the invention comprises water, pigment, styrene-acrylic varnish, shellac varnish, alkanol and the improved water soluble resin binder of the invention as described above.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: October 12, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Robert J. Catena, Mathew C. Mathew, Albert A. Kveglis
  • Patent number: 5904878
    Abstract: Orange azo fluorescent pigments and a process for a preparing same. Orange azo fluorescent pigments as a component of printing ink, coating, plastic compositions and articles of manufacture and used for controlling manufacturing operations.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: May 18, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Paul A. Merchak, Russell J. Schwartz, Manuel Z. Gregorio
  • Patent number: 5877259
    Abstract: A heat-sealable adhesive for dissimilar substrates is disclosed comprising an organic solvent suspension of a graft copolymer of an A-B-A terblock copolymeric rubber, olefin copolymer and olefin terpolymer. Processing conditions are improved over known adhesive preparation conditions.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: March 2, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Albert A. Kveglis, Robert J. Catena, Joseph M. Laquidara, Stavros Staveris
  • Patent number: 5863459
    Abstract: Yellow azo fluorescent pigments and a process for a preparing same. Yellow azo fluorescent pigments as a component of printing ink, coating, plastic compositions and articles of manufacture and used for controlling manufacturing operations.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: January 26, 1999
    Assignee: Sun Chemical Corporation
    Inventors: Paul A. Merchak, Russell J. Schwartz, Manuel Z. Gregorio, Anthony C. Zwirgzdas
  • Patent number: 5847024
    Abstract: A stable, pigmentless, simulated watermark ink is composed of a drying oil modified polyester, an aluminum alkoxide gelling agent and an ultraviolet light absorber.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: December 8, 1998
    Assignee: Sun Chemical Corporation
    Inventors: Stan Newman, Paul W Hofecker